NTs and NSUs

[Haby Steven <Haby@acer.edu.au>]

Aus loco discussion mailing list

Afternoon all,

The discussions centred around the CR's NSU and NT class locomotives has
been fascinating. I believe a book is being prepared on the NT locomotives.

A question that I have been wanting to ask for quite a while is ... what
sound did/do they have. An Alco or EE burble? A GM type rumble?

Alas the only NG CR locomotives I have seen/heard in action have been the
NJs at Alice Springs back in 1980. A regret that I have is that I never
travelled on the NAR or the NG CAR.

Any assistance would be appreciated.

Thanks!
Steven G Haby
Senior Librarian, Information Collection and Organisation

The Cunningham Library
The Australian Council for Educational Research
Private Bag 55                Telephone +61 03 9277 5552
Camberwell, 3124          Facsimile +61 03 9277 5500
Email haby@acer.edu.au
http://www.acer.edu.au


> ----------
> From: 	Steve Palmano[SMTP:steve719@GTE.net]
> Reply To: 	Aus loco discussion mailing list
> Sent: 	Thursday, 30 December 1999 13:26
> To: 	Aus loco discussion mailing list
> Subject: 	Re: EE Locos
> 
> Aus loco discussion mailing list
> 
> Many thanks for this information.
> 
> I suspect that the 9 notch controllers of the X and Y classes are rare.
> But
> there are quite a few gaps in my knowledge in respect of EE loco control
> systems, so who knows, there might be others.
> 
> More information begets more questions, thus re the Tasrail ZP and ZR
> locos,
> were these reconfigured with EM governors to have 8 discrete engine
> speeds,
> as with GM/GE/Alco practice, or did they revert to the previous EE scheme
> of
> 3 (or 4) engine speeds coupled with control of main generator excitation
> to
> obtain the 8 control steps?
> 
> Cheers,
> 
> Steve Palmano
> 
> ----- Original Message -----
> From: Mike Dix <mdix@mrt.tas.gov.au>
> To: 'Aus loco discussion mailing list' <Ausloco@listbot.com>
> Sent: December 14, 1999 06:13 PM
> Subject: RE: EE Locos
> 
> 
> > Aus loco discussion mailing list
> >
> > The following is some relavent info from Andrew Dix about the TGR X and
> Y
> > locos
> >
> > X and Y were EM controlled, but with 9 notches which seems to be
> uncommon.
> > Among other things, the tram style controllers controlled engine speed
> by
> > way of
> > solenoid valves on the engine governors.  Hence Xs and Ys only had three
> > working
> > speeds on their engines.  If you wanted to play with engine speeds up or
> > down
> > from these three you have to manipulate the hand throttle that is on the
> > side of
> > the engine governors.
> >
> > The top plates of the controllers they obtained for the Ys were numbered
> up
> > to
> > notch 12, but in reality they only had 9 notches.  Wonder if the
> controllers
> > were second hand or just modified to suit the TGR?
> >
> > By way of extra info, the two Tasrail ZR/ZP class EE locos are now being
> > used in multi-unit with the EMD locos. This has only been possible
> because
> > of rewiring to the 74 volt system and replacing the infinitely variable
> EE
> > contollers with notched controllers. There was initially a problem of
> > compatibility between the three and four pipe system but the two locos
> have
> > now been modified to three pipe. Combinations so far noted have been
> > ZR-DQ-ZP, ZR-QR-ZP and DQ-QR-ZP. They will use the EEs as lead locos in
> > preference to the EMD because of their better cab environment.
> >
> > Michael Dix
> >
> >
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